Size effects in small oxide confined vertical-cavity surface-emitting lasers

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Abstract

Data are presented on small area vertical-cavity surface-emitting lasers with lateral sizes ranging from 5 to 1 μm that use both oxide confinement and a high-contrast distributed Bragg reflector as the upper mirror. Optical loss becomes appreciable for device sizes less than 3 μm in diameter, and is analyzed through measurements of threshold, differential output efficiency, and the far-field radiation patterns. The results suggest that loss of optical confinement occurs for thin apertures and small device sizes. © 1996 American Institute of Physics.

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Oh, T. H., Huffaker, D. L., & Deppe, D. G. (1996). Size effects in small oxide confined vertical-cavity surface-emitting lasers. Applied Physics Letters, 69(21), 3152–3154. https://doi.org/10.1063/1.116812

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